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About the development board
Pin
1
2
3
4
5
6
7
8
For additional information about the 802.3af standard, refer to the corresponding IEEE specification.
Note
The development board provides a reference design of a POE (Power Over Ethernet) power
supply. A schematic for this reference design is installed by the setup program on the CD.
GPIO port (P3)
The GPIO port is a 10-pin male right-angle connector (labeled P3). See the following figure and table
for pin orientation and pin assignments.
GPIO port pin orientation
Digi Connect EM and Digi Connect Wi-EM Hardware Reference
Ethernet pin assignments
Signal name
TXD+ (transmit data)
TXD- (transmit data)
RXD+ (receive data)
Not used / power (+)
Not used / power (+)
RXD- (receive data)
Not used / power (-)
Not used / power (-)
GPIO port pin assignments
Pin
1
2
3
4
5
6
Figure RJ-45 (P12)
Signal name
GND
GPIO-9
GPIO-8
GPIO-7
GPIO-6
GPIO-5
Ports
18
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